# Westmill Connect vs Koos

The clearest difference is update cadence: Koos at every 4 weeks against Westmill Connect's every 5 months. Westmill Connect's advantage is iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Westmill Connect ships an update every 5 months, Koos every 4 weeks. The most recent releases landed on October 14, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Westmill Connect | Koos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 33 MB | 34 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Evalutel](https://appshunter.io/developer/1118836526) | [Provaleo SAS](https://appshunter.io/developer/1849118726) |

## What reviewers say

### Westmill Connect

[App page](https://appshunter.io/ios/app/westmill-connect/id1553269029)

**Features:** macOS Compatibility

**In-app purchases:** none


### Koos

[App page](https://appshunter.io/ios/app/koos/id6754595283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Westmill Connect free?

Westmill Connect is free to download, with no in-app purchases.

### Is Koos free?

Koos is free to download, with no in-app purchases.

### Do Westmill Connect or Koos have ads?

Neither Westmill Connect nor Koos shows ads.

### Which is updated more often, Westmill Connect or Koos?

Westmill Connect ships an update every 5 months, and Koos every 4 weeks. Most recently, Westmill Connect was updated on October 14, 2026 and Koos on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*